Pipeline Weld Finishing System And Process

Abstract

Various embodiments relate to a blasting ring for blasting a weld on a pipe, including: a ring structure with a first pivot point and a latch, wherein the first pivot point allows the ring structure to open and close around the pipe and the latch is configured to secure the ring to the pipe; a plurality of rollers attached to the ring structure configured to engage the pipe; a cleaner brush attached to the ring structure configured to rotate and engage the weld on the pipe to clean the weld; and a profile brush attached to the ring structure configured to rotate and engage the weld on the pipe to profile the weld. Further, the blasting ring and a heating ring may be used to finish the weld on a pipe.

What is claimed is: 
     
         1 . A blasting ring for blasting a weld on a pipe, comprising:
 a ring structure with a first pivot point and a latch, wherein the first pivot point allows the ring structure to open and close around the pipe and the latch is configured to secure the ring to the pipe;   a plurality of rollers attached to the ring structure configured to engage the pipe;   a cleaner brush attached to the ring structure configured to rotate and engage the weld on the pipe to clean the weld; and   a profile brush attached to the ring structure configured to rotate and engage the weld on the pipe to profile the weld.   
     
     
         2 . The blaster ring of  claim 1 , further comprising:
 a first motor coupled to the cleaner brush configured to rotate the cleaner brush; and   a second motor coupled to the profile brush configured to rotate the profile brush.   
     
     
         3 . The blaster ring of  claim 2 , wherein the first motor and the second motor are air-powered motors. 
     
     
         4 . The blaster ring of  claim 2 , further comprising:
 a first brush drive mechanism between the first motor and the cleaner bush; and   a second brush drive mechanism between the second motor and the profile bush.   
     
     
         5 . The blaster ring of  claim 1 , further comprising a brush adjustment mechanism configured to adjust the position of one the cleaner bush and profile brush relative to the pipe. 
     
     
         6 . The blaster ring of  claim 1 , further comprising a debris magnet configured to capture debris produced by one of the cleaner brush or the profile brush. 
     
     
         7 . The blaster ring of  claim 6 , further comprising a brush case substantially surrounding one of the cleaner brush or the profile brush configured to contain debris produced by one of the cleaner brush or the profile brush 
     
     
         8 . The blaster ring of  claim 1 , further comprising a plurality of handles attached to the ring structure configured to rotate the ring blaster about the pipe when a force is applied to one of the plurality of handles. 
     
     
         9 . The blaster ring of  claim 1 , further comprising a lift support attached to the ring structure. 
     
     
         10 . The blaster ring of  claim 1 , wherein the ring structure further comprises a second pivot point, wherein the second pivot point allows the ring structure to open and close around the pipe. 
     
     
         11 . A method of finishing a weld on a pipe, comprising:
 placing a ring blaster ring around a pipe;   rotating the ring blaster ring around the pipe while rotating a cleaner brush and profile brush;   removing the ring blaster ring from around the pipe;   placing a heating coil around the pipe;   heating the pipe with the heating coil;   removing the heating coil from around the pipe; and   coating the heated pipe.   
     
     
         12 . The method of  claim 11 , further comprising adjusting the position of one of the cleaner brush and the profile brush relative to the pipe. 
     
     
         13 . The method of  claim 11  further comprising removing debris from a debris magnet after removing the ring blaster from around the pipe. 
     
     
         14 . The method of  claim 11 , further comprising latching the ring blaster closed after placing the ring blaster around the pipe. 
     
     
         15 . The method of  claim 14 , further comprising latching the heating ring closed after placing the heating ring around the pipe. 
     
     
         16 . The method of  claim 11 , wherein the ring blaster comprises:
 a ring structure with a first pivot point and a latch, wherein the first pivot point allows the ring structure to open and close around the pipe and the latch is configured to secure the ring to the pipe;   a plurality of rollers attached to the ring structure configured to engage the pipe;   a cleaner brush attached to the ring structure configured to rotate and engage the weld on the pipe to clean the weld; and   a profile brush attached to the ring structure configured to rotate and engage the weld on the pipe to profile the weld.   
     
     
         17 . The method of  claim 16 , wherein the ring blaster further comprises:
 a first motor coupled to the cleaner brush configured to rotate the cleaner brush; and   a second motor coupled to the profile brush configured to rotate the profile brush.   
     
     
         18 . The method of  claim 17 , wherein the first motor and the second motor are air-powered motors. 
     
     
         19 . The method of  claim 18 , further comprising attaching an air hose to the air-powered motors. 
     
     
         20 . The method of  claim 18 , further comprising supplying air to the air-powered motors.